Power Electronics By which one of the following we can measure the reliability of a string? Derating factor. Reliability factor. Factor of safety. String efficient. Derating factor. Reliability factor. Factor of safety. String efficient. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The maximum di/dt in a SCR is Inversely proportional to supply voltage. Directly proportional to inductance in the circuit. Directly proportional to supply voltage. Both A and B. Inversely proportional to supply voltage. Directly proportional to inductance in the circuit. Directly proportional to supply voltage. Both A and B. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics CB used for over current protection of thyristor operates when the fault current is neither (A) nor (B). of long period. of short duration. both (A) and (B). neither (A) nor (B). of long period. of short duration. both (A) and (B). ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Practical way of obtaining static voltage equalization in series connected SCRs is by the use of resistors of the same value across each SCR. one resistor in series with each SCR. one resistor across the string. resistors of different values across each SCR. resistors of the same value across each SCR. one resistor in series with each SCR. one resistor across the string. resistors of different values across each SCR. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics What happen due to high di / dt? None of these. Breakdown of junction. Local hot spot. Insulation failure. None of these. Breakdown of junction. Local hot spot. Insulation failure. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Light triggering mainly used in low - voltage direct current transmission. all of these. high voltage direct current transmission. medium voltage direct current transmission. low - voltage direct current transmission. all of these. high voltage direct current transmission. medium voltage direct current transmission. ANSWER DOWNLOAD EXAMIANS APP
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